FieldCollectionListFormatter.php in Field collection 8.3

Namespace

Drupal\field_collection\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/FieldCollectionListFormatter.php

<?php

namespace Drupal\field_collection\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Link;
use Drupal\Core\Url;

/**
 * Plugin implementation of the 'field_collection_list' formatter.
 *
 * @FieldFormatter(
 *   id = "field_collection_list",
 *   label = @Translation("List"),
 *   field_types = {
 *     "field_collection"
 *   },
 * )
 */
class FieldCollectionListFormatter extends FieldCollectionLinksFormatter {

  /**
   * {@inheritdoc}
   *
   * TODO: Use $langcode.
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $element = [];
    $count = 0;

    // TODO: Is there a better way to get an accurate count of the
    // items from the FieldItemList that doesn't count blank items?
    // Possibly \Countable->count()?
    $storage = \Drupal::entityTypeManager()
      ->getStorage('field_collection_item');
    foreach ($items as $delta => $item) {
      if ($item->target_id !== NULL) {
        $count++;
        $field_collection_item = $storage
          ->loadRevision($item->revision_id);
        if ($field_collection_item
          ->isDefaultRevision()) {
          $links = Link::fromTextAndUrl($this->fieldDefinition
            ->getName() . ' ' . $delta, Url::FromRoute('entity.field_collection_item.canonical', [
            'field_collection_item' => $item->target_id,
          ]))
            ->toString();
          $links .= ' ' . $this
            ->getEditLinks($item);
        }
        else {
          $links = Link::fromTextAndUrl($this->fieldDefinition
            ->getName() . ' ' . $delta, Url::FromRoute('field_collection_item.revision_show', [
            'field_collection_item' => $item->target_id,
            'field_collection_item_revision' => $item->revision_id,
          ]))
            ->toString();
        }
        $element[$delta] = [
          '#markup' => $links,
        ];
      }
    }
    $cardinality = $this->fieldDefinition
      ->getFieldStorageDefinition()
      ->getCardinality();
    $entity = $items
      ->getEntity();
    if ($entity
      ->id() && ($cardinality == -1 || $count < $cardinality)) {
      $element['#suffix'] = '<ul class="action-links action-links-field-collection-add"><li>';
      $element['#suffix'] .= $this
        ->getAddLink($entity);
      $element['#suffix'] .= '</li></ul>';
    }
    return $element;
  }

}

Classes

Name	Description
FieldCollectionListFormatter	Plugin implementation of the 'field_collection_list' formatter.